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首页> 外文期刊>Archives of Agronomy and Soil Science >Responses of aerobically grown iron chlorosis tolerant and susceptible rice (Oryza sativa L.) genotypes to soil iron management in an Inceptisol
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Responses of aerobically grown iron chlorosis tolerant and susceptible rice (Oryza sativa L.) genotypes to soil iron management in an Inceptisol

机译：有氧氯鱼源耐受性和易感水稻（Oryza Sativa L.）基因型对土壤铁管理的反应

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摘要

Iron deficiency is a serious nutritional disorder in aerobic rice, causing chlorosis, poor yields and reduced grain nutritional quality. The problem can be managed by complementing the use of Fe-efficient plant type with a suitable Fe management strategy. In the present paper, we report the effect of eight iron management practices to resolve the problem of iron (Fe) chlorosis through the use of an iron deficiency tolerant (IDTR) and iron deficiency susceptible (IDSR) rice genotype, i.e. Pusa 33 and ADT 39, respectively. Fe deficiency tolerance of these genotypes was related to the root release of PS which enabled a higher uptake of Fe in the IDTR than the IDSR under Fe deficiency. In general, IDTR performed better than the IDSR as evident from a significant increase in total iron, active iron, chlorophyll content and grain and straw yield. IDSR produced the highest grain and straw yield under slow iron release nano clay complex source. Grain Fe content of the IDTR and IDSR increased by 18.9 and 13.4%, respectively, under recommended dose of Fe. The results identified the most effective soil management strategies for the alleviating Fe deficiency chlorosis and improving Fe nutrition of both IDTR and IDSR genotypes.
机译：铁缺乏是一种严重的有氧水稻营养障碍，均导致萎黄，产量差和降低籽粒营养质量。通过补充使用Fe高效的工厂类型，可以使用合适的FE管理策略来管理问题。在本文中，我们通过使用耐铁耐受性（IDTR）和缺铁易感（IDSR）水稻基因型，即PUSA 33和ADT来报告八铁管理实践的效果来解决铁（Fe）氯化问题的效果。 39分别。这些基因型的Fe缺乏耐受性与PS的根释放有关，其在Fe缺乏下的IDTR中能够更高摄取IDTR。通常，IDTR从总铁，活性铁，叶绿素含量和晶粒和秸秆产量的显着增加，从IDSR开始表现优于IDSR。 IDSR在慢铁释放纳米粘土复合物源下产生了最高的晶粒和秸秆产量。 IDTR和IDSR的粮食Fe含量分别在推荐的Fe的推荐剂量下增加18.9％和13.4％。结果确定了最有效的土壤管理策略，可缓解Fe缺乏萎缩，提高IDTR和IDSR基因型的FE营养。

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